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Finding the Fourth Proportional to 591,265.40, 887,027.70 and 191,838.20

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Solution

The fourth proportional to 591,265.40, 887,027.70 and 191,838.20 is: 287,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,265.40 : 887,027.70 = 191,838.20 : x
  2. Step 2: Convert to fraction form
    591,265.40/887,027.70 = 191,838.20/x
  3. Step 3: Cross multiply
    591,265.40x = 887,027.70 × 191,838.20
  4. Step 4: Simplify right side
    591,265.40x = 170,165,797,318.14
  5. Step 5: Solve for x
    x = 170,165,797,318.14/591,265.40
  6. Step 6: Final answer
    x = 287,799.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.